17208920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3947}}^1$

素因数の和:4067

約数の個数: 32

約数和(自身を含む): 39085200

約数和(自身を除く): 21876280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3947, 4360, 7894, 15788, 19735, 31576, 39470, 78940, 157880, 430223, 860446, 1720892, 2151115, 3441784, 4302230, 8604460, 17208920]

約数ペア:

[(1, 17208920), (2, 8604460), (4, 4302230), (5, 3441784), (8, 2151115), (10, 1720892), (20, 860446), (40, 430223), (109, 157880), (218, 78940), (436, 39470), (545, 31576), (872, 19735), (1090, 15788), (2180, 7894), (3947, 4360)]